[thirdparty/xfsprogs-dev.git] / libfrog / topology.h

// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (c) 2000-2005 Silicon Graphics, Inc.
 * All Rights Reserved.
 */

#ifndef __LIBFROG_TOPOLOGY_H__
#define __LIBFROG_TOPOLOGY_H__

/*
 * Device topology information.
 */
typedef struct fs_topology {
	int	dsunit;		/* stripe unit - data subvolume */
	int	dswidth;	/* stripe width - data subvolume */
	int	rtswidth;	/* stripe width - rt subvolume */
	int	lsectorsize;	/* logical sector size &*/
	int	psectorsize;	/* physical sector size */
} fs_topology_t;

extern void
get_topology(
	libxfs_init_t		*xi,
	struct fs_topology	*ft,
	int			force_overwrite);

extern void
calc_default_ag_geometry(
	int		blocklog,
	uint64_t	dblocks,
	int		multidisk,
	uint64_t	*agsize,
	uint64_t	*agcount);

extern int
check_overwrite(
	const char	*device);

#endif	/* __LIBFROG_TOPOLOGY_H__ */
Commit	Line	Data
7478c2e3 DW	1	// SPDX-License-Identifier: GPL-2.0
	2	/*
	3	* Copyright (c) 2000-2005 Silicon Graphics, Inc.
	4	* All Rights Reserved.
	5	*/
	6
	7	#ifndef __LIBFROG_TOPOLOGY_H__
	8	#define __LIBFROG_TOPOLOGY_H__
	9
	10	/*
	11	* Device topology information.
	12	*/
	13	typedef struct fs_topology {
	14	int dsunit; /* stripe unit - data subvolume */
	15	int dswidth; /* stripe width - data subvolume */
	16	int rtswidth; /* stripe width - rt subvolume */
	17	int lsectorsize; /* logical sector size &*/
	18	int psectorsize; /* physical sector size */
	19	} fs_topology_t;
	20
	21	extern void
	22	get_topology(
	23	libxfs_init_t *xi,
	24	struct fs_topology *ft,
	25	int force_overwrite);
	26
	27	extern void
	28	calc_default_ag_geometry(
	29	int blocklog,
	30	uint64_t dblocks,
	31	int multidisk,
	32	uint64_t *agsize,
	33	uint64_t *agcount);
	34
	35	extern int
	36	check_overwrite(
	37	const char *device);
	38
	39	#endif /* __LIBFROG_TOPOLOGY_H__ */